youtube-dl: Make it a a more complete ffmpeg image.

FROM docker.io/library/debian:testing

# hadolint ignore=DL3007

FROM registry.shore.co.il/toolbx:latest

# hadolint ignore=DL3008,DL3015

RUN apt-get update && \

    DEBIAN_FRONTEND=noninteractive apt-get install -y \

        ffmpeg \

        libavcodec-extra \

        libavfilter-extra \

        libavformat-extra \

        youtube-dl \

    && \

    rm -rf /tmp/* /var/tmp/* /var/lib/apt/lists/* /var/cache/apt/archives/*